No preview link/button while creating a post

I seem to have lost the Preview button/hyperlink when I create a new post. You used to be able to click the hyperlink and go to the Preview (of the post) and click another hyperlink to go back to Editing.

I seem to have lost or am unable to find this feature. Is it the theme (Contempt) I'm using? I changed a couple of themes and I had the same problem.

I looked at the FAQ and searched the forums but didn't find anything relevant. Anyone else see the same problem or have a solution?

Thanks for your reply. Just to clarify that I'm able to see the preview of the post. What I am unable to see is the hyperlink/button that was provided earlier. I've already written to the feedback team.